A solution of CuSO4 was kept in an iron pot.

Question:

A solution of CuSO4 was kept in an iron pot. After few days, the iron pot was found to have a number of holes in it. Explain the reason in terms of

reactivity. Write the equation of the reaction involved.

Solution:

Iron (Fe) is placed above copper (Cu) in the reactivity series. This means that a chemical reaction had occurred between iron (iron pot) and aqueous

CuSO4 solution.

$\mathrm{Fe}(s)+\mathrm{CuSO}_{4}(a q) \longrightarrow \mathrm{FeSO}_{4}(a q)+\mathrm{Cu}(s)$

Since iron was consumed in the reaction, a number of holes appeared in the pot.

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